Mask purchase skills

1. Dust suppression efficiency The level of the dust blocking efficiency of the mask is based on its blocking efficiency for fine dust, especially for respiratory dust below 2.5 microns. Because this size of dust can directly enter the alveoli, it has a great impact on human health. Dust masks, consisting of filter material activated…

Classification of medical masks

1. Ordinary medical mask Ordinary medical masks are common gauze masks, with four-layer, eight-layer, and sixteen-layer specifications. It meets the relevant registered product standard (YZB), generally lacks the filtration efficiency requirements for particles and bacteria, or the filtration efficiency requirements for particles and bacteria are lower than medical surgical masks and medical protective masks. Ordinary…